The Dwyer RHPX-2SDA0-00 is a precision duct-mount relative humidity and temperature transmitter engineered for demanding HVAC and building automation applications. Featuring a ±2% RH accuracy rating, this transmitter delivers dependable, real-time environmental data directly from the air stream — making it an ideal solution for air handling units, VAV systems, and commercial ductwork monitoring.
Key Features
- Duct-mount design for direct installation into HVAC ductwork
- ±2% RH accuracy for precise humidity measurement
- Combined relative humidity and temperature sensing in a single unit
- Suitable for building automation and energy management systems
- Rugged housing designed to withstand typical duct environments
- Easy field installation with standard duct probe mounting
Applications
- Air handling units (AHUs)
- Variable air volume (VAV) systems
- Commercial and industrial HVAC ductwork
- Building automation and energy management systems (BAS/EMS)
- Demand-controlled ventilation (DCV)
Why Choose the Dwyer RHPX-2SDA0-00?
Dwyer Instruments is a trusted name in HVAC instrumentation, and the RHPX series upholds that reputation with accurate, reliable sensing performance. The RHPX-2SDA0-00 combines humidity and temperature measurement into one compact duct-mount transmitter, reducing installation complexity and cost. Its ±2% RH accuracy ensures the data fed to your control system is precise enough to support efficient climate control and indoor air quality management.








